1. A memory device comprising:
a volatile memory portion; and
a nonvolatile memory portion being electrically connected to the volatile memory portion, the nonvolatile memory portion comprising a memory element comprising a first terminal and a second terminal,
wherein the memory element is configured to store data stored in the volatile memory portion, and
wherein a resistance value of the memory element is variable in accordance with voltage applied between the first terminal and the second terminal.
2. The memory device according to claim 1, the nonvolatile memory portion comprising:
a first circuit being configured to switch voltage applied to the memory element in accordance with the data; and
a first element being configured to output the data in accordance with a resistance value of the memory element.
3. The memory device according to claim 1,
wherein the first terminal is an electrode,
wherein the second terminal is an electrode, and
wherein the memory element comprises a transition metal oxide between the first terminal and the second terminal.
4. A data processing device including the memory device according to claim 1, the data processing device comprising:
an address management portion;
a program memory;
an instruction register;
an instruction decoder;
a control portion;
a register group;
an arithmetic unit; and
an arithmetic register,
wherein the instruction register, the register group, and the arithmetic register each include the memory device.
5. The memory device according to claim 2 comprising:
a first line being operationally connected to the memory element; and
a second line being operationally connected to the memory element,
wherein the first line is configured to transmit a first signal for controlling storage of the data and output of the data to the volatile memory portion, and
wherein the second line is configured to transmit a second signal for controlling storage of the data and output of the data to the volatile memory portion.
6. The memory device according to claim 1, the nonvolatile memory portion comprising:
a volatile switching circuit electrically connected to the first terminal;
a first switch directly connected to the first terminal; and
a second switch directly connected to the second terminal.
7. An electronic device comprising the memory device according to claim 1.
8. A driving method of a memory device comprising:
a volatile memory portion; and
a nonvolatile memory portion being electrically connected to the volatile memory portion, the nonvolatile memory portion comprising a memory element comprising a first terminal and a second terminal,
wherein the memory element is configured to store data stored in the volatile memory portion, and
wherein a resistance value of the memory element is variable in accordance with voltage applied between the first terminal and the second terminal,
the driving method comprising the steps of:
storing data stored in the volatile memory portion into the nonvolatile memory portion, and
controlling stop and restart of power supply to the volatile memory portion and the nonvolatile memory portion.
9. The driving method of a memory device according to claim 8,
wherein the storing step is operated by switching voltage applied to the memory element.
10. The driving method of a memory device according to claim 8, comprising the steps of:
converting the data stored in the nonvolatile memory portion as a resistance value of the memory element into a first voltage; and
outputting the first voltage to the volatile memory portion.
11. The driving method of a memory device according to claim 8, further comprising the steps of:
switching whether voltage is applied to the memory element or not by a first signal; and
switching a polarity of the voltage applied to the memory element by the data and a second signal.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A child vehicle, comprising:
a front portion having at least one front wheel coupled thereto and a first handlebar operatively configured to change the direction of the at least one front wheel;
a rear portion coupled to the front portion and having at least one rear wheel coupled thereto, the front portion capable of rotating relative to the rear portion about a first pivot axis;
a pivot joint coupled to the vehicle;
a pivot member coupled to the pivot joint, the pivot joint operatively configured to provide rotation of the pivot member relative to the vehicle between at least a first position and a second position about a second pivot axis, the pivot member operating as a seat for supporting a rider thereon when in the first position to define a ride-on configuration of the vehicle, and the pivot member operating as a handlebar when in the second position to define a scooter configuration of the vehicle.
2. The child vehicle of claim 1, wherein the pivot joint includes a push button, the pivot member being movable between the first and second positions when the push button is depressed, and the pivot member prohibited from rotating about the second pivot axis when the push button is not depressed.
3. The child vehicle of claim 1, wherein the first pivot axis and the second pivot axis are generally orthogonal to each other.
4. The child vehicle of claim 1, wherein the first pivot axis and the second pivot axis intersect one another.
5. The child vehicle of claim 1, wherein the pivot joint is capable of rotating relative to the vehicle about the first pivot axis.
6. The child vehicle of claim 5, wherein the pivot member engages the rear portion of the vehicle so as to limit rotation of the pivot member relative to the vehicle about the first pivot axis when the pivot member is in the first position.
7. The child vehicle of claim 5, wherein the pivot member includes a second handlebar operatively configured to change the direction of the at least one front wheel when the pivot member is in the second position.
8. The child vehicle of claim 1, wherein the pivot member includes a compartment for storing items.
9. The child vehicle of claim 7, wherein the pivot member comprises:
a main body member coupled to the pivot joint and defining the compartment; and
a lid member coupled to the pivot joint and rotatable relative to the main body member between an open position, wherein the compartment is accessible, and a closed position, wherein the compartment is inaccessible.
10. The child vehicle of claim 8, further comprising a cover member fixedly coupled to the main body member and having a second handlebar.
11. A child vehicle, comprising:
a front portion having at least one front wheel coupled thereto;
a rear portion coupled to the front portion and having at least one rear wheel coupled thereto, the front portion capable of rotating relative to the rear portion about a first pivot axis;
a pivot joint coupled to the vehicle so as to be rotatable about the first pivot axis;
a pivot member coupled to the pivot joint, the pivot joint operatively configured to provide rotation of the pivot member relative to the vehicle about a second pivot axis to define at least a first position and a second position of the pivot member;
a first handlebar coupled to the front portion and operatively configured to change the direction of the at least one front wheel;
a second handlebar coupled to the pivot member, wherein the second handlebar is operatively configured to change the direction of the at least one front wheel when the pivot member is in the second position, and operatively ineffective to change the direction of the at least one front wheel when the pivot member is in the first position.
12. The child vehicle of claim 11, wherein the first pivot axis and the second pivot axis are generally orthogonal to each other.
13. The child vehicle of claim 11, wherein the first pivot axis and the second pivot axis intersect one another.
14. The child vehicle of claim 11, wherein the front portion includes a recess having a first shape and the pivot member includes a projection having a shape corresponding to the first shape, wherein when the pivot member is in the second position, the projection engages the recess such that rotation of the pivot member about the first pivot axis causes a corresponding rotation of the first portion relative to the rear portion about the first pivot axis.
15. The child vehicle of claim 11, wherein the pivot member engages the rear portion of the vehicle so as to limit rotation of the pivot member relative to the vehicle about the first pivot axis when the pivot member is in the first position.
16. A child vehicle, comprising:
a front portion having at least one front wheel coupled thereto;
a rear portion coupled to the front portion and having at least one rear wheel coupled thereto, the front portion capable of rotating relative to the rear portion about a first pivot axis;
a pivot member coupled to the vehicle so as to be rotatable about the first pivot axis and a second pivot axis, rotation about the second pivot axis defining at least a first position and a second position of the pivot member, the pivot member operating as a seat for supporting a rider thereon when in the first position to define a ride-on configuration of the vehicle, the pivot member operating as a handlebar when in the second position to define a scooter configuration of the vehicle, and the pivot member operatively configured to change the direction of the at least one front wheel when in the second position.
17. A child vehicle, comprising:
a front portion having at least one front wheel coupled thereto;
a rear portion coupled to the front portion and having at least one rear wheel coupled thereto, the front portion capable of rotating relative to the rear portion about a first pivot axis;
a pivot member coupled to the vehicle so as to be rotatable about a second pivot axis between at least a first position and a second position, the pivot member operating as a seat for supporting a rider thereon when in the first position to define a ride-on configuration of the vehicle, the pivot member operating as a handlebar when in the second position to define a scooter configuration of the vehicle; and
at least one graphical interface coupled to the vehicle and configured to be marked on by a marking utensil.
18. The child vehicle of claim 17, wherein the graphical interface is integrally formed on an exposed surface of the vehicle.
19. The child vehicle of claim 18, wherein the graphical interface includes a surface roughness sufficient to allow a marking utensil to mark thereon when in movable contact therewith.
20. The child vehicle of claim 17, further comprising a substrate removably coupled to the vehicle, the substrate defining the graphical interface.